Sovereign Wealth Funds emerged as major players on the international financial markets within the last years. Whereas in the past they were hardly visible, Sovereign Wealth Funds have appeared in public since 2007 due to their heavy investments in Western corporations. By now Sovereign Wealth Funds absolutely and relatively show a remarkable size and thus have become systemically relevant. The Paper provides an up to date survey of the composition of the Sovereign Wealth Funds industry and gives a global and regional analysis. Furthermore several models are introduced to evaluate the prospective growth potential of the industry. A persistent expansion can be forecasted.